Product highlightsworks with GM vehicles with the CLASS II data systems works with amplified and non-amplified systems (including Bose audio systems) retains rear-seat entertainment system in select vehicles (new receiver must have RCA inputs) provides Vehicle Speed Sensor (VSS) parking brake and reverse connections for installing a navigation receiver retains factory Bluetooth if equipped retains factory steering wheel audio controls warranty: 1 year What's in the boxRadio replacement interface (RP5-GM11) 24-in/12-pin Vehicle harness (A109-GM11-HAR V3) 24-pin Radio/SWC harness (A109-RAD-HAR Type 1-V2) Chime module (CMX) Antenna adapter QR code for installation instructions About this itemWritten by Crutchfield's Dave DelamereKeep your factory features PAC's RadioPRO5 RP5-GM11 wiring interface enables you to install a new car stereo and retain useful factory functions in your 2000-14 GM vehicle. You can upgrade to the higher sound quality of an aftermarket receiver while maintaining your factory-installed OnStar®, factory amplifier, Bluetooth®, safety warning chimes, and the Retained Accessory Power (RAP) if equipped. In some vehicles, you can also retain your factory rear seat entertainment system. If you're installing a navigation receiver, this interface also features the Vehicle Speed Sensor (VSS), parking brake, and reverse connections you need. Control your new radio The RadioPRO5 interface retains your factory steering wheel audio controls with your new stereo. You can even reassign the functions of your factory buttons. Installation note: This interface will not retain the fader controls on vehicles with the factory premium Bose® audio system.